Generally accepted or widespread data or
premises, i.e. propositions to which the evidence of the majority of people as well as of
those learned in the sciences causes our assent.

???
dhat

A common term in philosophical discourse
but used in different senses of which the following should be noted: (1) Thing or
individual (in this sense identical with shai or ain,
q.v.). (2) Being or self (identical withanniyah, q.v.).
(3) The essence of a thing, its inner meaning or its essential qualities (in this sense
identical with mahiyah, q.v.). (4) Substance or substratum
of a thing in which the qualities inhere or of which the attributes can be predicated (in
this sense more or less identical with jauhar, q.v.).

Dimunition or decay of body due to lack of
nourishment; one of the four kinds of harakah fil-kamm
(q.v.).

??
dhu

The category of "ownership" or
possession as one of the ten Aristotelian categories (al-maqulat
al-ashr, q.v.); see also milk.

?? ???????
dhu al-jihatain

Dilemma, i.e. the complex syllogism which
has for its major premise the two conditional conjunctive propositions (al-sharti al-muttasilah, q.v.) and for the minor premise the
conditional disjunctive (al-sharti al-munfasil, q.v.)
which together lead to a conclusion either in the categorical or in the conditional
disjunctive; see also qiyas dhu al-jihatain.

???
dhauq

Taste sensation, a power placed in the
gustatory nerves. spread out on the skin of the tongue. By this power or faculty tastes
are perceived through the mixing of the saliva which is in the mouth with the thing tasted
and through its stimulating the gustatory nerves. The two senses of touch and taste are
found in all animals for these are of primary importance for the animal life. The rest of
the three senses, i.e. smell, sight and hearing, being of secondary importance, are found
in some animals only. See also tuum.

???????????
Dhiyasquridhus

Dioscorides: Greek physician of first
century C.E.; his work on Materia Medica was translated into Arabic by Hunain ibn Ishaq (d. 264/877).

???????
Dhayufantus

Diophantus: Greek mathematician of the
second half of third century C.E., said to be a great Greek writer on algebra.